[PATCH 1/2] Remove preempt_enable/disable calls around sched_clock()

From: Divyesh Shah
Date: Fri Jun 11 2010 - 22:35:37 EST


calls in the block layer. This was a temporary fix added.

Signed-off-by: Divyesh Shah <dpshah@xxxxxxxxxx>
---
include/linux/blkdev.h | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 09a8402..ebe788e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1218,16 +1218,12 @@ int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
*/
static inline void set_start_time_ns(struct request *req)
{
- preempt_disable();
req->start_time_ns = sched_clock();
- preempt_enable();
}

static inline void set_io_start_time_ns(struct request *req)
{
- preempt_disable();
req->io_start_time_ns = sched_clock();
- preempt_enable();
}

static inline uint64_t rq_start_time_ns(struct request *req)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/